22 February 2017 Unveiling relativistic electron bunch microstructures and their dynamical evolutions, using photonic time-stretch
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The photonic time-stretch technique allows electric field pulse shapes to be recorded with picosecond resolution, at megahertz acquisition rates. Using this strategy, we could directly record spatial patterns that spontaneously appear in relativistic electron bunches, and follow their dynamical evolution over time. We present recent results obtained using two strategies. At SOLEIL, we present the shapes of the THz pulses which are emitted by the structures, and detected far from the emission point, at the end of a beamline. At ANKA, we present how it has been possible to monitor directly the electron bunch near-field. These new types of single-shot recordings allow direct and stringent tests to be performed on electron bunch dynamical models in synchrotron radiation facilities.
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Christophe Szwaj, Christophe Szwaj, Clément Evain, Clément Evain, Marc Le Parquier, Marc Le Parquier, Serge Bielawski, Serge Bielawski, Eléonore Roussel, Eléonore Roussel, Laurent Manceron, Laurent Manceron, Jean-Blaise Brubach, Jean-Blaise Brubach, Marie-Agnès Tordeux, Marie-Agnès Tordeux, Jean-Paul Ricaud, Jean-Paul Ricaud, Lodovico Cassinari, Lodovico Cassinari, Marie Labat, Marie Labat, Marie-Emmanuelle Couprie, Marie-Emmanuelle Couprie, Pascale Roy, Pascale Roy, Andrii Borysenko, Andrii Borysenko, Nicole Hiller, Nicole Hiller, Anke-Susanne Müller, Anke-Susanne Müller, Patrik Schönfeldt, Patrik Schönfeldt, Johannes Leonard Steinmann, Johannes Leonard Steinmann, } "Unveiling relativistic electron bunch microstructures and their dynamical evolutions, using photonic time-stretch", Proc. SPIE 10089, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications II, 1008902 (22 February 2017); doi: 10.1117/12.2255723; https://doi.org/10.1117/12.2255723


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